- Added Dealtar's and Zilpin's Airport Externalization

- Needed GameDir files are already committet to SVN GameDir

git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@2759 3b4a5df2-a311-0410-b5c6-a8a6f20db521

SaveLoadScreen.cpp

@@ -36,6 +36,7 @@
 	#include	"Map Screen Interface.h"
 	#include "Multi Language Graphic Utils.h"
 	#include "Campaign Types.h"
+	#include "PostalService.h"
 #endif
 
 #include "Campaign Init.h"
@@ -201,6 +202,10 @@ BOOLEAN		gfGettingNameFromSaveLoadScreen = FALSE;
 extern	BOOLEAN		gfDisplaySaveGamesNowInvalidatedMsg;
 #endif
 
+//Dealtar's Airport Externalization
+extern		CPostalService gPostalService;
+
+
 //
 //Buttons
 //